5. What volume would you need to dilute 0.2 L of a 15 M solution to obtain a 3 M
solution?

IL

Explanation:

M_1 V_1 = M_2 V_2

M_1 = 15 M

V_1 = 0.2 L

M_2 = 3 M

V_2 = ?

15 x 0.2 = 3V_2

15 x 0.2 = 3

3 / 3V_2

1 L= V_2

neutrons are in the middle of the atom and the electrons, which are much smaller.

the dissociation of nickel hydroxide is follows:

the concentration of hydroxide ion is

the equilibrium constant value of nickel hydroxide is = 6.1 * 10^-^1^6 and thus equilibrium equation can be written as:

thus, concentration of ni is 0.23 * 10^-^4 mol /l